Use tempfile for get_url task set-service-type-data-fact
Use tempfile for get_url task set-service-type-data-fact

We don't actually collect facts on executor for security reasons,
however we can use the result.src from get_url to get the file info.

Change-Id: I867c013ab7e3883c8b9cdb0d7b06fec854ed3d5a
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack-infra/openstack-zuul-jobs,openstack-infra/openstack-zuul-jobs